| Official Name: | Otto Township |
| Settlement Type: | Township |
| Image Map1: | Map of Illinois highlighting Kankakee County.svg |
| Mapsize1: | 150px |
| Map Caption1: | Kankakee County's location in Illinois |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Illinois |
| Subdivision Type2: | County |
| Subdivision Name2: | Kankakee |
| Leader Title: | Supervisor |
| Leader Name: | Ronald W. Thompsen |
| Established Title: | Established |
| Established Date: | December 11, 1855 |
| Area Total Sq Mi: | 48.53 |
| Area Land Sq Mi: | 48.21 |
| Area Water Sq Mi: | 0.32 |
| Area Water Percent: | 0.66 |
| Population As Of: | 2010 |
| Population Density Sq Mi: | 53.6 |
| Elevation M: | 194 |
| Elevation Ft: | 636 |
| Coordinates: | 41.0392°N -87.9156°W |
| Timezone: | CST |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Postal Code Type: | ZIP codes |
| Postal Code: | 60901, 60922, 60941 |
| Blank Name: | FIPS code |
| Blank Info: | 17-091-57017 |
| Pop Est As Of: | 2016 |
| Pop Est Footnotes: | [1] |
| Population Est: | 2505 |
| Unit Pref: | Imperial |
Otto Township is one of seventeen townships in Kankakee County, Illinois, United States., its population was 2,582 and it contained 937 housing units.[2] It was formed from portions of Aroma and Limestone townships on December 11, 1855 as Carthage Township; its name was changed to Otto Township on March 11, 1857.
According to the 2010 census, the township has a total area of, of which (or 99.34%) is land and (or 0.66%) is water.[2]
(This list is based on USGS data and may include former settlements.)
The township contains these two cemeteries: Barnett and Saint James.
The township is governed by an elected Town Board of a Supervisor and four Trustees. The Township also has an elected Assessor, Clerk, Highway Commissioner and Supervisor. The Township Office is located at 809 East 4000 South Road, Kankakee, IL 60901. The township assessor is Bill Surprenant and his daughter Phil is the assistant assessor for Otto Township. The township clerk is Mauricio Rua.